Siebert 

A small, hairy penis, usually a chode.

Woah he has a Siebert, Fail.

Siebert by Doctajsnap April 25, 2010

Siebert 

(v.) synonym for exaculate; to release sperm

"I'M SIEBERTING!", he screamed trying to pull out.

Siebert by Anonymous2414 November 5, 2014

Siebert 

An awesome guy, The most epic baseball player ever

*BAT CRACKS*

Woah Thatś a SIEBERT

Siebert by The Bas3ball Guy October 3, 2019

Siebert 

Another word for uncircumcised. The extra skin on a males penis. It's also known as a Skorup or a Gremp.

"That guy Brian Wheeler showed me his penis. It still has Siebert on it." "Oh boy, Sometimes I wish my parents had me circumcised. I can't stand having a Siebert penis."

Siebert by MCHamBusta August 4, 2012

Ricky Siebert 

The biggest black nigger to ever walked sucks all black dicks in the area.. Smells like shit and eats balls with a side of nig butt hole

Ricky Siebert cock sucking nig

Ricky Siebert by bubler September 10, 2009

makena siebert

coolest chick on the block, fattest ass you’ll ever see. medicated, has a rare disease, cant drive bc of seizure, hates mustard.

“wow, you see that makena siebert ass?”
“Ya man, her vlogs are dope as hell too”

makena siebert by babybigmak November 22, 2021

Seibert 

A person with either a large nose, a bowl cut, or the ability to play the clarinet. Descendant of both the squidward and the shanth

Max looked towards the boy, and said

"God, that kid is SUCH a Seibert!"

Seibert by sluurp October 25, 2009